package lesson01;

import java.io.*;
import java.net.InetAddress;
import java.net.Socket;

/**
 * @Auther: xiaofei
 * @Date: 2021/6/28 - 06 - 28 - 15:02
 * @Description: lesson01
 * @version: 1.0
 */
public class TCPClientDemo02 {
    //这是一个main方法，是程序的入口：
    public static void main(String[] args) throws Exception{
        //创建一个Socket连接
        Socket socket = new Socket(InetAddress.getByName("127.0.0.1"), 9000);
        //创建输出流
        OutputStream os = socket.getOutputStream();
        //文件流，读取文件
        FileInputStream fis = new FileInputStream(new File("desk.png"));
        //写出文件
        byte[] buffer = new byte[1024];
        int len;
        while((len =fis.read(buffer)) != -1){
            os.write(buffer,0,len);
        }
        //通知服务器我已经传输完了
        socket.shutdownOutput();


        //确定服务器接受完毕，才能断开连接
        InputStream inputStream = socket.getInputStream();
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        byte[] buffer2 = new byte[1024];
        int len2;
        while((len2 = inputStream.read(buffer2)) != -1){
            baos.write(buffer2,0,len2);
        }
        System.out.println(baos.toString());

        //关闭资源
        baos.close();
        inputStream.close();
        fis.close();
        os.close();
        socket.close();
    }
}
